However, there are some ways to influence march timing depending upon what your desired goal might be.You could add an extra region to the stack's path.You could force march the group you wish to arrive first. So this stack arrives when you want it to arrive.You could change the commander to one not quite so fast.You could have your slowest force march to the objective region and have your faster corps stop just outside so they join battle through March to the Sound of Guns.